COVID-19 vaccinations continue in Billings Pool/AP Screen grab issued by POOL showing microbiologist Elisa Granato,32, being injected as part of human trials in the UK for a coronavirus vaccine as Oxford University vaccine trial for Coronavirus begins. PA Photo. Issue date: Thursday April 23, 2020. See PA story HEALTH Coronavirus. Photo credit should read: Pool/PA Wire NOTE TO EDITORS: This handout photo may only be used in for editorial reporting purposes for the contemporaneous illustration of events, things or the people in the image or facts mentioned in the caption. Reuse of the picture may require further permission from the copyright holder.